./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product08.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_c9bbb895-e6ad-47f2-9366-d4be0ff86c28/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_c9bbb895-e6ad-47f2-9366-d4be0ff86c28/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_c9bbb895-e6ad-47f2-9366-d4be0ff86c28/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_c9bbb895-e6ad-47f2-9366-d4be0ff86c28/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product08.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_c9bbb895-e6ad-47f2-9366-d4be0ff86c28/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_c9bbb895-e6ad-47f2-9366-d4be0ff86c28/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 520d1ef87fba3e5b4f18d6fa521fb45229d37053 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 11:26:20,172 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 11:26:20,173 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 11:26:20,182 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 11:26:20,182 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 11:26:20,183 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 11:26:20,184 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 11:26:20,185 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 11:26:20,187 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 11:26:20,187 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 11:26:20,188 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 11:26:20,189 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 11:26:20,189 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 11:26:20,190 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 11:26:20,191 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 11:26:20,192 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 11:26:20,193 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 11:26:20,194 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 11:26:20,195 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 11:26:20,197 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 11:26:20,198 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 11:26:20,199 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 11:26:20,200 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 11:26:20,201 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 11:26:20,203 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 11:26:20,203 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 11:26:20,204 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 11:26:20,204 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 11:26:20,205 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 11:26:20,206 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 11:26:20,206 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:26:20,207 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:26:20,207 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:26:20,208 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:26:20,209 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:26:20,209 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:26:20,210 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:26:20,210 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:26:20,210 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:26:20,211 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:26:20,212 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:26:20,213 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_c9bbb895-e6ad-47f2-9366-d4be0ff86c28/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-10-22 11:26:20,224 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:26:20,224 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:26:20,225 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:26:20,225 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:26:20,225 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:26:20,225 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:26:20,226 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-10-22 11:26:20,226 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:26:20,226 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:26:20,226 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-10-22 11:26:20,226 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-10-22 11:26:20,226 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:26:20,227 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:26:20,227 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 11:26:20,227 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 11:26:20,228 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 11:26:20,228 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:26:20,228 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 11:26:20,228 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:26:20,228 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 11:26:20,228 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 11:26:20,228 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 11:26:20,229 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 11:26:20,229 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:26:20,229 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:26:20,229 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:26:20,229 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:26:20,229 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:26:20,230 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:26:20,230 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:26:20,230 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 11:26:20,230 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-22 11:26:20,230 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 11:26:20,230 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 11:26:20,230 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:26:20,230 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_c9bbb895-e6ad-47f2-9366-d4be0ff86c28/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 520d1ef87fba3e5b4f18d6fa521fb45229d37053 [2019-10-22 11:26:20,262 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:26:20,273 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:26:20,279 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:26:20,281 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:26:20,281 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:26:20,281 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_c9bbb895-e6ad-47f2-9366-d4be0ff86c28/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product08.cil.c [2019-10-22 11:26:20,328 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c9bbb895-e6ad-47f2-9366-d4be0ff86c28/bin/utaipan/data/994472274/92baed24d14943f59f2aac36214c01f8/FLAGdced625f3 [2019-10-22 11:26:20,747 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:26:20,748 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_c9bbb895-e6ad-47f2-9366-d4be0ff86c28/sv-benchmarks/c/product-lines/minepump_spec1_product08.cil.c [2019-10-22 11:26:20,758 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c9bbb895-e6ad-47f2-9366-d4be0ff86c28/bin/utaipan/data/994472274/92baed24d14943f59f2aac36214c01f8/FLAGdced625f3 [2019-10-22 11:26:21,115 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_c9bbb895-e6ad-47f2-9366-d4be0ff86c28/bin/utaipan/data/994472274/92baed24d14943f59f2aac36214c01f8 [2019-10-22 11:26:21,118 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:26:21,119 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:26:21,120 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:26:21,120 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:26:21,124 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:26:21,124 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:26:21" (1/1) ... [2019-10-22 11:26:21,129 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f0c4c28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:21, skipping insertion in model container [2019-10-22 11:26:21,132 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:26:21" (1/1) ... [2019-10-22 11:26:21,139 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:26:21,182 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:26:21,559 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:26:21,576 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 11:26:21,659 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:26:21,690 INFO L192 MainTranslator]: Completed translation [2019-10-22 11:26:21,691 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:21 WrapperNode [2019-10-22 11:26:21,691 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 11:26:21,692 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 11:26:21,692 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 11:26:21,692 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 11:26:21,700 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:21" (1/1) ... [2019-10-22 11:26:21,715 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:21" (1/1) ... [2019-10-22 11:26:21,750 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 11:26:21,750 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 11:26:21,751 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 11:26:21,751 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 11:26:21,760 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:21" (1/1) ... [2019-10-22 11:26:21,760 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:21" (1/1) ... [2019-10-22 11:26:21,763 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:21" (1/1) ... [2019-10-22 11:26:21,763 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:21" (1/1) ... [2019-10-22 11:26:21,770 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:21" (1/1) ... [2019-10-22 11:26:21,778 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:21" (1/1) ... [2019-10-22 11:26:21,780 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:21" (1/1) ... [2019-10-22 11:26:21,784 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 11:26:21,784 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 11:26:21,784 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 11:26:21,784 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 11:26:21,785 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:21" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c9bbb895-e6ad-47f2-9366-d4be0ff86c28/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:26:21,837 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 11:26:21,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 11:26:21,837 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 11:26:21,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 11:26:22,476 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 11:26:22,476 INFO L284 CfgBuilder]: Removed 102 assume(true) statements. [2019-10-22 11:26:22,477 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:26:22 BoogieIcfgContainer [2019-10-22 11:26:22,477 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 11:26:22,478 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 11:26:22,479 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 11:26:22,482 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 11:26:22,482 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 11:26:21" (1/3) ... [2019-10-22 11:26:22,483 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29c8fca3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:26:22, skipping insertion in model container [2019-10-22 11:26:22,483 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:21" (2/3) ... [2019-10-22 11:26:22,484 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29c8fca3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:26:22, skipping insertion in model container [2019-10-22 11:26:22,484 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:26:22" (3/3) ... [2019-10-22 11:26:22,486 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product08.cil.c [2019-10-22 11:26:22,496 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 11:26:22,505 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-10-22 11:26:22,516 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-10-22 11:26:22,553 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 11:26:22,553 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 11:26:22,554 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 11:26:22,554 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 11:26:22,554 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 11:26:22,554 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 11:26:22,554 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 11:26:22,554 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 11:26:22,573 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states. [2019-10-22 11:26:22,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-10-22 11:26:22,580 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:26:22,581 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:26:22,583 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:26:22,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:26:22,590 INFO L82 PathProgramCache]: Analyzing trace with hash -262370748, now seen corresponding path program 1 times [2019-10-22 11:26:22,599 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:26:22,599 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [139042943] [2019-10-22 11:26:22,600 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:22,600 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:22,600 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:26:22,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:26:22,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:26:22,833 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [139042943] [2019-10-22 11:26:22,834 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:26:22,839 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 11:26:22,841 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [204043979] [2019-10-22 11:26:22,845 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-22 11:26:22,847 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:26:22,860 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-22 11:26:22,860 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 11:26:22,862 INFO L87 Difference]: Start difference. First operand 71 states. Second operand 2 states. [2019-10-22 11:26:22,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:26:22,891 INFO L93 Difference]: Finished difference Result 136 states and 203 transitions. [2019-10-22 11:26:22,891 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-22 11:26:22,892 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-10-22 11:26:22,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:26:22,905 INFO L225 Difference]: With dead ends: 136 [2019-10-22 11:26:22,906 INFO L226 Difference]: Without dead ends: 67 [2019-10-22 11:26:22,909 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 11:26:22,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2019-10-22 11:26:22,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2019-10-22 11:26:22,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2019-10-22 11:26:22,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 93 transitions. [2019-10-22 11:26:22,959 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 93 transitions. Word has length 16 [2019-10-22 11:26:22,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:26:22,959 INFO L462 AbstractCegarLoop]: Abstraction has 67 states and 93 transitions. [2019-10-22 11:26:22,959 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-22 11:26:22,961 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 93 transitions. [2019-10-22 11:26:22,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-10-22 11:26:22,962 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:26:22,962 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:26:22,963 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:26:22,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:26:22,963 INFO L82 PathProgramCache]: Analyzing trace with hash -1309127645, now seen corresponding path program 1 times [2019-10-22 11:26:22,963 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:26:22,963 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1364812861] [2019-10-22 11:26:22,963 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:22,964 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:22,964 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:26:23,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:26:23,105 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:26:23,105 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1364812861] [2019-10-22 11:26:23,105 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:26:23,105 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 11:26:23,106 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [248017647] [2019-10-22 11:26:23,107 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:26:23,107 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:26:23,108 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:26:23,108 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:26:23,108 INFO L87 Difference]: Start difference. First operand 67 states and 93 transitions. Second operand 3 states. [2019-10-22 11:26:23,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:26:23,118 INFO L93 Difference]: Finished difference Result 67 states and 93 transitions. [2019-10-22 11:26:23,118 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:26:23,119 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2019-10-22 11:26:23,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:26:23,119 INFO L225 Difference]: With dead ends: 67 [2019-10-22 11:26:23,119 INFO L226 Difference]: Without dead ends: 33 [2019-10-22 11:26:23,120 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:26:23,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2019-10-22 11:26:23,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2019-10-22 11:26:23,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2019-10-22 11:26:23,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 46 transitions. [2019-10-22 11:26:23,125 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 46 transitions. Word has length 17 [2019-10-22 11:26:23,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:26:23,125 INFO L462 AbstractCegarLoop]: Abstraction has 33 states and 46 transitions. [2019-10-22 11:26:23,125 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:26:23,125 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2019-10-22 11:26:23,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-10-22 11:26:23,126 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:26:23,126 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:26:23,126 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:26:23,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:26:23,127 INFO L82 PathProgramCache]: Analyzing trace with hash -915815930, now seen corresponding path program 1 times [2019-10-22 11:26:23,127 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:26:23,127 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1722332284] [2019-10-22 11:26:23,127 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:23,127 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:23,128 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:26:23,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:26:23,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:26:23,219 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1722332284] [2019-10-22 11:26:23,219 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:26:23,219 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 11:26:23,219 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [288312468] [2019-10-22 11:26:23,220 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:26:23,220 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:26:23,220 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:26:23,221 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:26:23,221 INFO L87 Difference]: Start difference. First operand 33 states and 46 transitions. Second operand 3 states. [2019-10-22 11:26:23,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:26:23,273 INFO L93 Difference]: Finished difference Result 87 states and 126 transitions. [2019-10-22 11:26:23,276 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:26:23,276 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2019-10-22 11:26:23,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:26:23,277 INFO L225 Difference]: With dead ends: 87 [2019-10-22 11:26:23,277 INFO L226 Difference]: Without dead ends: 60 [2019-10-22 11:26:23,278 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:26:23,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2019-10-22 11:26:23,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 56. [2019-10-22 11:26:23,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2019-10-22 11:26:23,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 81 transitions. [2019-10-22 11:26:23,288 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 81 transitions. Word has length 22 [2019-10-22 11:26:23,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:26:23,289 INFO L462 AbstractCegarLoop]: Abstraction has 56 states and 81 transitions. [2019-10-22 11:26:23,289 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:26:23,289 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 81 transitions. [2019-10-22 11:26:23,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-10-22 11:26:23,290 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:26:23,290 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:26:23,290 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:26:23,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:26:23,291 INFO L82 PathProgramCache]: Analyzing trace with hash 9705803, now seen corresponding path program 1 times [2019-10-22 11:26:23,291 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:26:23,291 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1068859325] [2019-10-22 11:26:23,291 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:23,291 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:23,291 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:26:23,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:26:23,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:26:23,390 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1068859325] [2019-10-22 11:26:23,390 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:26:23,390 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 11:26:23,390 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2122025461] [2019-10-22 11:26:23,391 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:26:23,391 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:26:23,391 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:26:23,391 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:26:23,392 INFO L87 Difference]: Start difference. First operand 56 states and 81 transitions. Second operand 5 states. [2019-10-22 11:26:23,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:26:23,550 INFO L93 Difference]: Finished difference Result 260 states and 398 transitions. [2019-10-22 11:26:23,550 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-22 11:26:23,551 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2019-10-22 11:26:23,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:26:23,552 INFO L225 Difference]: With dead ends: 260 [2019-10-22 11:26:23,552 INFO L226 Difference]: Without dead ends: 210 [2019-10-22 11:26:23,553 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-10-22 11:26:23,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2019-10-22 11:26:23,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 100. [2019-10-22 11:26:23,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2019-10-22 11:26:23,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 145 transitions. [2019-10-22 11:26:23,571 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 145 transitions. Word has length 23 [2019-10-22 11:26:23,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:26:23,572 INFO L462 AbstractCegarLoop]: Abstraction has 100 states and 145 transitions. [2019-10-22 11:26:23,572 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:26:23,572 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 145 transitions. [2019-10-22 11:26:23,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-10-22 11:26:23,573 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:26:23,573 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:26:23,573 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:26:23,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:26:23,576 INFO L82 PathProgramCache]: Analyzing trace with hash 1962564181, now seen corresponding path program 1 times [2019-10-22 11:26:23,576 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:26:23,576 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [249385463] [2019-10-22 11:26:23,576 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:23,576 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:23,576 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:26:23,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:26:23,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:26:23,648 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [249385463] [2019-10-22 11:26:23,648 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:26:23,648 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 11:26:23,648 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [639266736] [2019-10-22 11:26:23,649 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:26:23,649 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:26:23,649 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:26:23,649 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:26:23,650 INFO L87 Difference]: Start difference. First operand 100 states and 145 transitions. Second operand 5 states. [2019-10-22 11:26:23,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:26:23,733 INFO L93 Difference]: Finished difference Result 296 states and 443 transitions. [2019-10-22 11:26:23,734 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 11:26:23,734 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2019-10-22 11:26:23,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:26:23,735 INFO L225 Difference]: With dead ends: 296 [2019-10-22 11:26:23,735 INFO L226 Difference]: Without dead ends: 0 [2019-10-22 11:26:23,736 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-10-22 11:26:23,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-22 11:26:23,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-22 11:26:23,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-22 11:26:23,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-22 11:26:23,737 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2019-10-22 11:26:23,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:26:23,737 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 11:26:23,737 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:26:23,737 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-22 11:26:23,737 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 11:26:23,741 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-22 11:26:23,931 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 687) no Hoare annotation was computed. [2019-10-22 11:26:23,931 INFO L443 ceAbstractionStarter]: For program point L845(lines 845 849) no Hoare annotation was computed. [2019-10-22 11:26:23,932 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-10-22 11:26:23,932 INFO L443 ceAbstractionStarter]: For program point L796(lines 796 809) no Hoare annotation was computed. [2019-10-22 11:26:23,932 INFO L439 ceAbstractionStarter]: At program point L796-1(lines 1 893) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:26:23,932 INFO L443 ceAbstractionStarter]: For program point L796-2(lines 796 809) no Hoare annotation was computed. [2019-10-22 11:26:23,932 INFO L439 ceAbstractionStarter]: At program point L796-3(lines 1 893) the Hoare annotation is: false [2019-10-22 11:26:23,932 INFO L443 ceAbstractionStarter]: For program point L796-4(lines 796 809) no Hoare annotation was computed. [2019-10-22 11:26:23,933 INFO L439 ceAbstractionStarter]: At program point L796-5(lines 1 893) the Hoare annotation is: false [2019-10-22 11:26:23,933 INFO L443 ceAbstractionStarter]: For program point L86(lines 86 101) no Hoare annotation was computed. [2019-10-22 11:26:23,933 INFO L439 ceAbstractionStarter]: At program point L137(lines 137 143) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:26:23,933 INFO L439 ceAbstractionStarter]: At program point L137-1(lines 137 143) the Hoare annotation is: false [2019-10-22 11:26:23,933 INFO L439 ceAbstractionStarter]: At program point L137-2(lines 137 143) the Hoare annotation is: false [2019-10-22 11:26:23,933 INFO L446 ceAbstractionStarter]: At program point L783(lines 764 786) the Hoare annotation is: true [2019-10-22 11:26:23,933 INFO L439 ceAbstractionStarter]: At program point L106(lines 55 107) the Hoare annotation is: false [2019-10-22 11:26:23,934 INFO L443 ceAbstractionStarter]: For program point L833(lines 833 837) no Hoare annotation was computed. [2019-10-22 11:26:23,934 INFO L443 ceAbstractionStarter]: For program point L800(lines 800 806) no Hoare annotation was computed. [2019-10-22 11:26:23,934 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 687) no Hoare annotation was computed. [2019-10-22 11:26:23,934 INFO L443 ceAbstractionStarter]: For program point L800-2(lines 800 806) no Hoare annotation was computed. [2019-10-22 11:26:23,934 INFO L443 ceAbstractionStarter]: For program point L800-4(lines 800 806) no Hoare annotation was computed. [2019-10-22 11:26:23,934 INFO L443 ceAbstractionStarter]: For program point L57(lines 56 105) no Hoare annotation was computed. [2019-10-22 11:26:23,934 INFO L439 ceAbstractionStarter]: At program point L751(lines 747 753) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-10-22 11:26:23,935 INFO L439 ceAbstractionStarter]: At program point L206(lines 199 209) the Hoare annotation is: false [2019-10-22 11:26:23,935 INFO L439 ceAbstractionStarter]: At program point L206-1(lines 199 209) the Hoare annotation is: false [2019-10-22 11:26:23,935 INFO L439 ceAbstractionStarter]: At program point L206-2(lines 199 209) the Hoare annotation is: false [2019-10-22 11:26:23,935 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-22 11:26:23,935 INFO L443 ceAbstractionStarter]: For program point L58(lines 58 62) no Hoare annotation was computed. [2019-10-22 11:26:23,936 INFO L439 ceAbstractionStarter]: At program point L670(lines 1 893) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-10-22 11:26:23,936 INFO L439 ceAbstractionStarter]: At program point L703-2(lines 703 717) the Hoare annotation is: false [2019-10-22 11:26:23,936 INFO L443 ceAbstractionStarter]: For program point L687(line 687) no Hoare annotation was computed. [2019-10-22 11:26:23,936 INFO L443 ceAbstractionStarter]: For program point L687-1(line 687) no Hoare annotation was computed. [2019-10-22 11:26:23,936 INFO L443 ceAbstractionStarter]: For program point L687-2(line 687) no Hoare annotation was computed. [2019-10-22 11:26:23,936 INFO L443 ceAbstractionStarter]: For program point L76(lines 76 82) no Hoare annotation was computed. [2019-10-22 11:26:23,937 INFO L439 ceAbstractionStarter]: At program point L76-1(lines 76 82) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:26:23,937 INFO L443 ceAbstractionStarter]: For program point L704(line 704) no Hoare annotation was computed. [2019-10-22 11:26:23,937 INFO L443 ceAbstractionStarter]: For program point L259(lines 259 265) no Hoare annotation was computed. [2019-10-22 11:26:23,937 INFO L439 ceAbstractionStarter]: At program point L259-1(lines 259 265) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:26:23,937 INFO L443 ceAbstractionStarter]: For program point L94(lines 94 100) no Hoare annotation was computed. [2019-10-22 11:26:23,937 INFO L439 ceAbstractionStarter]: At program point L94-1(lines 130 136) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:26:23,937 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-22 11:26:23,937 INFO L443 ceAbstractionStarter]: For program point L821(lines 821 825) no Hoare annotation was computed. [2019-10-22 11:26:23,938 INFO L443 ceAbstractionStarter]: For program point L821-3(lines 821 825) no Hoare annotation was computed. [2019-10-22 11:26:23,938 INFO L443 ceAbstractionStarter]: For program point L821-6(lines 821 825) no Hoare annotation was computed. [2019-10-22 11:26:23,938 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 687) no Hoare annotation was computed. [2019-10-22 11:26:23,938 INFO L443 ceAbstractionStarter]: For program point L707(lines 707 711) no Hoare annotation was computed. [2019-10-22 11:26:23,938 INFO L443 ceAbstractionStarter]: For program point L162(lines 162 179) no Hoare annotation was computed. [2019-10-22 11:26:23,938 INFO L443 ceAbstractionStarter]: For program point L707-1(lines 130 136) no Hoare annotation was computed. [2019-10-22 11:26:23,938 INFO L443 ceAbstractionStarter]: For program point L162-1(lines 162 179) no Hoare annotation was computed. [2019-10-22 11:26:23,938 INFO L443 ceAbstractionStarter]: For program point L162-2(lines 162 179) no Hoare annotation was computed. [2019-10-22 11:26:23,939 INFO L443 ceAbstractionStarter]: For program point L774(lines 774 781) no Hoare annotation was computed. [2019-10-22 11:26:23,939 INFO L446 ceAbstractionStarter]: At program point L774-1(lines 774 781) the Hoare annotation is: true [2019-10-22 11:26:23,939 INFO L439 ceAbstractionStarter]: At program point L130(lines 129 148) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:26:23,939 INFO L443 ceAbstractionStarter]: For program point L130-1(lines 130 136) no Hoare annotation was computed. [2019-10-22 11:26:23,939 INFO L439 ceAbstractionStarter]: At program point L130-2(lines 129 148) the Hoare annotation is: false [2019-10-22 11:26:23,940 INFO L439 ceAbstractionStarter]: At program point L130-3(lines 129 148) the Hoare annotation is: false [2019-10-22 11:26:23,940 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-10-22 11:26:23,940 INFO L439 ceAbstractionStarter]: At program point L858(lines 853 861) the Hoare annotation is: false [2019-10-22 11:26:23,940 INFO L439 ceAbstractionStarter]: At program point L858-1(lines 853 861) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:26:23,940 INFO L439 ceAbstractionStarter]: At program point L858-2(lines 853 861) the Hoare annotation is: false [2019-10-22 11:26:23,941 INFO L439 ceAbstractionStarter]: At program point L858-3(lines 853 861) the Hoare annotation is: false [2019-10-22 11:26:23,941 INFO L439 ceAbstractionStarter]: At program point L858-4(lines 853 861) the Hoare annotation is: false [2019-10-22 11:26:23,941 INFO L439 ceAbstractionStarter]: At program point L858-5(lines 853 861) the Hoare annotation is: false [2019-10-22 11:26:23,941 INFO L443 ceAbstractionStarter]: For program point L66(lines 66 72) no Hoare annotation was computed. [2019-10-22 11:26:23,941 INFO L439 ceAbstractionStarter]: At program point L66-1(lines 66 72) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:26:23,941 INFO L439 ceAbstractionStarter]: At program point L215(lines 210 218) the Hoare annotation is: (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:26:23,941 INFO L439 ceAbstractionStarter]: At program point L215-1(lines 210 218) the Hoare annotation is: false [2019-10-22 11:26:23,942 INFO L439 ceAbstractionStarter]: At program point L215-2(lines 210 218) the Hoare annotation is: false [2019-10-22 11:26:23,942 INFO L439 ceAbstractionStarter]: At program point L678(lines 673 681) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-10-22 11:26:23,942 INFO L443 ceAbstractionStarter]: For program point L166(lines 166 174) no Hoare annotation was computed. [2019-10-22 11:26:23,942 INFO L443 ceAbstractionStarter]: For program point L166-1(lines 166 174) no Hoare annotation was computed. [2019-10-22 11:26:23,942 INFO L443 ceAbstractionStarter]: For program point L166-2(lines 166 174) no Hoare annotation was computed. [2019-10-22 11:26:23,958 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 11:26:23 BoogieIcfgContainer [2019-10-22 11:26:23,958 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 11:26:23,958 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 11:26:23,958 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 11:26:23,959 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 11:26:23,959 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:26:22" (3/4) ... [2019-10-22 11:26:23,962 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 11:26:23,975 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-10-22 11:26:23,976 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-10-22 11:26:23,976 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-10-22 11:26:23,976 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-10-22 11:26:23,977 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-10-22 11:26:23,977 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-10-22 11:26:24,004 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\result == 0 && pumpRunning == 0) && 0 == splverifierCounter [2019-10-22 11:26:24,048 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_c9bbb895-e6ad-47f2-9366-d4be0ff86c28/bin/utaipan/witness.graphml [2019-10-22 11:26:24,048 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 11:26:24,051 INFO L168 Benchmark]: Toolchain (without parser) took 2931.10 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 944.5 MB in the beginning and 930.2 MB in the end (delta: 14.3 MB). Peak memory consumption was 156.4 MB. Max. memory is 11.5 GB. [2019-10-22 11:26:24,052 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 1.0 GB. Free memory is still 962.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:26:24,052 INFO L168 Benchmark]: CACSL2BoogieTranslator took 571.14 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 939.2 MB in the beginning and 1.1 GB in the end (delta: -185.4 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. [2019-10-22 11:26:24,052 INFO L168 Benchmark]: Boogie Procedure Inliner took 58.65 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:26:24,052 INFO L168 Benchmark]: Boogie Preprocessor took 33.26 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-10-22 11:26:24,053 INFO L168 Benchmark]: RCFGBuilder took 693.53 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 54.6 MB). Peak memory consumption was 54.6 MB. Max. memory is 11.5 GB. [2019-10-22 11:26:24,053 INFO L168 Benchmark]: TraceAbstraction took 1479.50 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 941.0 MB in the end (delta: 123.6 MB). Peak memory consumption was 123.6 MB. Max. memory is 11.5 GB. [2019-10-22 11:26:24,053 INFO L168 Benchmark]: Witness Printer took 90.42 ms. Allocated memory is still 1.2 GB. Free memory was 941.0 MB in the beginning and 930.2 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-10-22 11:26:24,055 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 1.0 GB. Free memory is still 962.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 571.14 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 939.2 MB in the beginning and 1.1 GB in the end (delta: -185.4 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 58.65 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 33.26 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 693.53 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 54.6 MB). Peak memory consumption was 54.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1479.50 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 941.0 MB in the end (delta: 123.6 MB). Peak memory consumption was 123.6 MB. Max. memory is 11.5 GB. * Witness Printer took 90.42 ms. Allocated memory is still 1.2 GB. Free memory was 941.0 MB in the beginning and 930.2 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 687]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 687]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 687]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 210]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 76]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 210]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 199]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 210]: Loop Invariant Derived loop invariant: (\result == 0 && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 259]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 673]: Loop Invariant Derived loop invariant: (1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0 - InvariantResult [Line: 199]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 199]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 747]: Loop Invariant Derived loop invariant: (1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 853]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 853]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 853]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 853]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 853]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0 - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 703]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 66]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 774]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 853]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 764]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 71 locations, 3 error locations. Result: SAFE, OverallTime: 1.3s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, HoareTripleCheckerStatistics: 308 SDtfs, 317 SDslu, 299 SDs, 0 SdLazy, 61 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=100occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 114 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 32 LocationsWithAnnotation, 32 PreInvPairs, 118 NumberOfFragments, 116 HoareAnnotationTreeSize, 32 FomulaSimplifications, 2748 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 32 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 102 NumberOfCodeBlocks, 102 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 97 ConstructedInterpolants, 0 QuantifiedInterpolants, 3931 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...